What is new

Scope	Old AMS(v8.x)/ABS(v3.x)	New AMS(v9.x)/ABS(v4.x)	Comment
user	No mailing list	Users must be registered into the Infinity user mailing list.	In the near future, Infinity will be accessible only for registered users in Matacentrum.
technical, AMS	One monolithic module cache per site	Several module caches are organized into module bundles, which are site-independent.	Users can define their own modules.
technical, AMS	The default site is selected by hostname lookup into the host group database	The default site is selected by the host group name, which must be provided prior to the Infinity activation	Simpler administration
technical, AMS	Complex and not always working set-up of user creation mask (umask).	Simpler, well-defined set-up of user creation mask (umask). Umask is set in all new (child) shell instances.	Guaranteed data access management.
user interface, AMS,	Fine-tuned colour preferences for printing into terminals can be defined by a user (ams-config).	Only predefined colour profiles can be selected now (ams-config). The administrator defines their list, which can be extended by a user.